Connectify is a free and easy to use software router for Windows 7 computers. After downloading and installing the lightweight application, Connectify utilizes your computers' built in Wi-Fi card to wirelessly share any available Internet connection: a cable modem, a cellular card, or even another Wi-Fi network. Other Wi-Fi enabled devices including laptops, smart phones, music players, and gaming systems can see and join your Connectify hotspot just like any other Wi-Fi access point and are kept safe and secure by password-protected WPA2 Encryption. With Connectify you can share expensive airport Wi-Fi with co-workers, create a hotspot in your ethernet-only hotel or dorm room, even extend the range of your home router. The possibilities are endless!

PuTTY is a client program for the SSH, Telnet and Rlogin network protocols. PuTTY implements the client end of that session: the end at which the session is displayed, rather than the end at which it runs.

Total Commander is a file manager for Windows, it is similar to DOS file manager. Total Commander can handle archives as if they were subdirectories. It also has an internal ZIP-compatible packer. The search function allows you to search for files inside archives, even for text.

VNC is a remote control software which allows you to view and interact with one computer (the "server") using a simple program (the "viewer") on another computer anywhere on the Internet. It is plat independent, means Linux machine can be viewed from a Windows machine. It incluses both server edition and client edition and works perfectly of all Windows systems.

TeamViewer is an excellent desktop sharing tool that lets you manage remote systems in a safe way and without requiring high technical knowledge. TeamViewer can be used for both entering a remote computer, or let another person enter yours in case you need remote assistance as well.

LogMeIn Hamachi² is a hosted VPN service that securely connects devices and networks, extending LAN-like network connectivity to mobile users, distributed teams and business applications. You can easily create secure virtual networks on demand, across public and private networks. Hamachi² is managed and maintained from anywhere via the web, securely.

Nmap ("Network Mapper") is a free and open source utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime.